Trump's executive order to declare a national emergency at the southern border shows he is still determined to finish his wall.

Walls built along the U.S.-Mexico border over the past several decades are a blight on the landscapes and cultures of the borderlands. Hundreds of miles of wall have been built across protected public ...

If fully completed, Texas's border wall would exceed the distance from New York to Chicago. At the current pace ... enabling reporters to map where the state had obtained land.